Across
- 7. made up of two monosaccharides
- 9. sheath, a layer of fat that protects axons
- 11. a foreign substance that triggers your immune system to start producing antibodies
- 14. made up of monomers
- 19. the glands do this if there's too many or too little hormones
- 20. on the tips of nerve cells that receive messages from other nerves
- 23. comes from living nature
- 24. a place where two bones in the body meet
- 27. part of an organism
- 29. the most basic form of carbohydrates
- 31. acids, protein
- 32. another word for windpipe
- 34. the body's chemical messangers
- 35. a site between two nerves where electric nerve impulses move through
- 36. trying to keep the body at one state at all times
- 37. a very quick and involuntary action that responds to something
- 38. site, a place on an enzyme where a molecule binds to it and makes a chemical react
- 41. finger like things that come out of membranes to facilitate nutrients and fluids
- 43. this fights off germs and is produced by your immune system
- 44. flap that prevents food from entering windpipe
Down
- 1. the main ones are carbs, protein, nucleic acids and lipids
- 2. carries nerve messages and impulses away from the nerve cell
- 3. a band that connects bones at a joint
- 4. glands, they produce all types of hormones
- 5. it helps your lung and contracts and relaxes as you breath
- 6. a muscle that contracts a limb
- 8. smallest living organism and it makes up tissues
- 10. main unit of the kidney
- 12. a group of cells that function as a unit
- 13. removes waste and extra fluid in the body
- 15. atoms and small particles
- 16. attaches the muscles to the bones
- 17. types of white blood cells that surround and kills germs
- 18. sends and receives messages in the brain
- 21. made up of 3 or more monosaccharides
- 22. fat
- 25. substance that acts like a catalyst and is produced by the body
- 26. respiration, the process where organisms combine oxygen with food
- 28. marrow, spongy tissue in your bones that make red blood cells
- 30. a muscle that extends a limb
- 33. food pipe (throat)
- 38. mini air sacs that exchange oxygen for carbon dioxide
- 39. they control your body
- 40. hairs in your nose that filter out bacteria from air
- 42. what's another word for germ